GB745684A - Method of making n, n-dialkylaminoethylamines - Google Patents

Method of making n, n-dialkylaminoethylamines

Info

Publication number
GB745684A
GB745684A GB21430/53A GB2143053A GB745684A GB 745684 A GB745684 A GB 745684A GB 21430/53 A GB21430/53 A GB 21430/53A GB 2143053 A GB2143053 A GB 2143053A GB 745684 A GB745684 A GB 745684A
Authority
GB
United Kingdom
Prior art keywords
cyclohexane
ammonia
catalyst
raney cobalt
anhydrous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB21430/53A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Corp
Original Assignee
Union Carbide and Carbon Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Union Carbide and Carbon Corp filed Critical Union Carbide and Carbon Corp
Publication of GB745684A publication Critical patent/GB745684A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/44—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers
    • C07C209/48—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

A process for producing an N,N-dialkylaminoethylamine comprises hydrogenating an N,N - dialkylaminoacetonitrile at superatmospheric pressure, at a temperature below 110 DEG C., and in the presence of a Raney cobalt catalyst. Preferred reaction temperatures are 60 DEG to 90 DEG C., and the use of diluents such as cyclohexane, benzene, ether and dioxane is advantageous. Anhydrous ammonia may be added to suppress side-reactions. N-alkyl substituents mentioned are methyl, ethyl, propyl, butyl, hexyl and 2-ethylhexyl groups. In example (1) N,N-diethylaminoethylamine is prepared by hydrogenation at 1500 lb./sq. in. of N,N - diethylaminoacetonitrile in anhydrous cyclohexane in the presence of ammonia and Raney cobalt at 66 DEG to 80 DEG C. N,N-dimethylaminoethylamine is prepared similarly at 90 DEG C. The preparation of the catalyst is described. Specification 423,735 is referred to.
GB21430/53A 1952-08-15 1953-08-04 Method of making n, n-dialkylaminoethylamines Expired GB745684A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US745684XA 1952-08-15 1952-08-15

Publications (1)

Publication Number Publication Date
GB745684A true GB745684A (en) 1956-02-29

Family

ID=22120262

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21430/53A Expired GB745684A (en) 1952-08-15 1953-08-04 Method of making n, n-dialkylaminoethylamines

Country Status (1)

Country Link
GB (1) GB745684A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322761A1 (en) * 1987-12-30 1989-07-05 Hoechst Aktiengesellschaft Process for the preparation of dialkylamino ethyl amines
EP0322760A1 (en) * 1987-12-30 1989-07-05 Hoechst Aktiengesellschaft Process for the preparation of cobalt catalysts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322761A1 (en) * 1987-12-30 1989-07-05 Hoechst Aktiengesellschaft Process for the preparation of dialkylamino ethyl amines
EP0322760A1 (en) * 1987-12-30 1989-07-05 Hoechst Aktiengesellschaft Process for the preparation of cobalt catalysts
US5124485A (en) * 1987-12-30 1992-06-23 Hoechst Aktiengesellschaft Catalysts and methods of separation thereof

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